High-quality stable electron beams from laser wakefield acceleration in high density plasma

High-quality, stable electron beams are produced from self-injected laser wakefield acceleration using the interaction of moderate 3 TW, 45 fs duration Ti:sapphire laser pulses with high density (>5×1019cm−3 ) helium gas jet plasma. The electron beam has virtually background-free quasimonoenerget...

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Bibliographic Details
Published in:Physical review special topics. PRST-AB. Accelerators and beams 2014-01, Vol.17 (1), p.011301, Article 011301
Main Authors: Rao, B. S., Moorti, A., Rathore, R., Chakera, J. A., Naik, P. A., Gupta, P. D.
Format: Article
Language:English
Subjects:
Density
Electron beams
Electrons
Energy distribution
Gas jets
Laser beams
Laser plasmas
Lasers
Sapphire
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Summary:High-quality, stable electron beams are produced from self-injected laser wakefield acceleration using the interaction of moderate 3 TW, 45 fs duration Ti:sapphire laser pulses with high density (>5×1019cm−3 ) helium gas jet plasma. The electron beam has virtually background-free quasimonoenergetic distribution with energy 35.6−2.5+3.9MeV , charge 3.8−1.2+2.8pC , divergence and pointing variation ∼10mrad . The stable and high quality of the electron beam opens an easy way for applications of the laser wakefield accelerator in the future, particularly due to the widespread availability of sub-10 TW class lasers with a number of laser plasma laboratories around the world.
ISSN:1098-4402
1098-4402
2469-9888
DOI:10.1103/PhysRevSTAB.17.011301